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Current Conditions and
Forecast from NWS/IWIN

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NowCast ZoneCast Warnings/Advisories Hourly Track Special Radar
O Fallon, Illinois (62269)  Lat: 38.44N, Lon: 89.99W
Wx Zone: ILZ101
Current Conditions
Updated: 		Sun & Moon Information:
Temp: N/A
Humidity: N/A
Wind Speed: N/A
Barometer: N/A
Dewpoint: N/A
Heat Index: N/A
Wind Chill: N/A
Civil Twilight: 5:09 AM CDT Moon Phase:
Waning Gibbous Moon
Waning Gibbous Moon
Sunrise: 5:39 AM CDT
Sunset: 8:12 PM CDT
Civil Twilight: 8:42 PM CDT
Forecast for O Fallon, Illinois:
Dated: 1055 AM CDT SUN MAY 26 2024    Expires: 600 PM CDT THU DEC 26 2024
NOTE: The Forecast Data has Expired 		7 Day View   
REST
OF
TODAY		TONIGHTMEMORIAL
DAY		MONDAY
NIGHT		TUESDAY
Chance of T-StormChance of T-StormSunnyClearSunny
Chance
Of
T-Storm		Chance
Of
T-Storm		SunnyClearSunny
Hi: 85°F
 Lo: 61°F Hi: 80°F
 Lo: 60°F Hi: 79°F
Pop: 50% Pop: 50%
ZoneCast:
Dated: 1055 AM CDT SUN MAY 26 2024    Expires: 600 PM CDT THU DEC 26 2024
NOTE: The Forecast Data has Expired
FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT

Includes the Counties: Madison County IL, Saint Clair County IL, Monroe County IL, Saint Charles County MO, Saint Louis County MO, Saint Louis City County MO, Jefferson County MO, Including The Cities Of Alton, Edwardsville, Belleville, Cahokia, Saint Charles, And Saint Louis
Rest Of Today...Mostly cloudy. A chance of showers and thunderstorms this afternoon. Some thunderstorms May produce heavy rainfall this afternoon. Highs in the mid 80s. South winds 10 to 15 mph. Gusts up to 40 mph late this morning. Chance of rain 50 percent.
Tonight...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Some thunderstorms May produce heavy rainfall. Lows in the lower 60s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph after midnight. Chance of rain 50 percent.
Memorial Day...Sunny. Highs around 80. Northwest winds 10 to 15 mph.
Monday Night...Clear. Lows around 60. West winds 5 to 10 mph.
Tuesday...Sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph.
Tuesday Night...Mostly clear. Lows in the mid 50s. Highs in the upper 70s.
Wednesday...Mostly clear. Lows in the mid 50s. Highs in the upper 70s.
Thursday...Mostly clear. Lows in the mid 50s. Highs in the upper 70s.
Thursday Night...Partly cloudy. A slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 20 percent.
Friday...Mostly sunny with a chance of showers with a slight chance of thunderstorms. Highs around 80. Chance of rain 30 percent.
Friday Night...Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent.
Saturday...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.

US Forecasts are Public Domain and derived from the
National Weather Service - (IWIN) and the National Oceanic Atmospheric Administration (NOAA)
Canadian forecasts are obtained from and are copyright of Environment Canada.

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